Home / 2,435.28-3,360.67-1,316.21

Finding the Fourth Proportional to 2,435.28, 3,360.67 and 1,316.21

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Solution

The fourth proportional to 2,435.28, 3,360.67 and 1,316.21 is: 1,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,435.28 : 3,360.67 = 1,316.21 : x
  2. Step 2: Convert to fraction form
    2,435.28/3,360.67 = 1,316.21/x
  3. Step 3: Cross multiply
    2,435.28x = 3,360.67 × 1,316.21
  4. Step 4: Simplify right side
    2,435.28x = 4,423,355.62
  5. Step 5: Solve for x
    x = 4,423,355.62/2,435.28
  6. Step 6: Final answer
    x = 1,816.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.